491362416 has 80 divisors (see below), whose sum is σ = 1429804320. Its totient is φ = 161533440.

The previous prime is 491362357. The next prime is 491362423. The reversal of 491362416 is 614263194.

491362416 is a `hidden beast` number, since 4 + 9 + 13 + 624 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23746 + ... + 39326.

It is an arithmetic number, because the mean of its divisors is an integer number (17872554).

Almost surely, 2^491362416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491362416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714902160).

491362416 is an abundant number, since it is smaller than the sum of its proper divisors (938441904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491362416 is a wasteful number, since it uses less digits than its factorization.

491362416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671 (or 15659 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 491362416 is about 22166.6961002311. The cubic root of 491362416 is about 789.1035154559.

The spelling of 491362416 in words is "four hundred ninety-one million, three hundred sixty-two thousand, four hundred sixteen".